Granted Patent
Utility
US 5,452,665 · App. 08/223,553
Bolster friction shoe pocket with relieved outer wall
Inventors:
Robert D. Wronkiewicz, Thomas SCHULTZ
Patented Case
View Patent ↗
Granted: Sep 26, 1995
Filed: Apr 6, 1994
Inventors
Robert D. Wronkiewicz
Thomas SCHULTZ
Assignee (at issue)
AMSTED INDUSTRIES INCORPORATED
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.